An existing master-slave setup is currently using a delayed replication of one hour. The master has crashed and the slave must be "rolled forward" to provide all the latest data. The SHOW SLAVE STATUS indicates the following values: RELAY_LOG_FILE =hostname-relay-bin.00004 RELAY_LOG_POS = 1383 Which command set would make the slave current?（） STOP SLAVE; CHANGE MASTER TO MASTER_DELAY =0, RELAY_LOG_FILE = 'hostnamerelay- bin.00004' , RELAY_LOG_POS= 1383。 STOP SLAVE; CHANGE MASTER TO RELAY_LOG_FILE = 'hostname-relay-bin.00004', RELAY_LOG_POS = 1383。 STOP SLAVE; CHANGE MASTER TO MASTER_DELAY=0; START SLAVE。 STOP SLAVE; SET GLOBAL master_delay =0; START SLAVE。
简述幼儿园家长工作的内容和常用方式。
Which three statements must be true before transporting a tablespace from a database on one platform to a database on another platform?（） (Choose three.) Both source and target database must be the same character set。 Both source and target database must have the same endian format。 The COMPATIBLE parameter must be the same in the source and target databases.。 The minimum compatibility level for both the source and target database must be 10.0.0.。 All read-only and offline data files that belong to the tablespace to be transported must be platform aware.。
打电话请供应商来换一台同目前用坏的机器一样的设备，这是设备的简单替换问题，需要的管理技能主要是（） 概念技能和技术技能。 人际技能和技术技能。 技术技能。 人际技能和概念技能。
城市园林绿地面积
被保护线路上任一点发生故障时，高频保护可瞬时自线路的（）。
